test/MC/Mips/mips-noat.s

   1 # RUN: not llvm-mc %s -triple=mips-unknown-linux 2>%t0 | FileCheck %s
   2 # RUN: FileCheck -check-prefix=ERROR %s < %t0
   3 # Check that using the assembler temporary when .set noat is in effect is an error.
   4
   5 # We start with the assembler temporary enabled
   6 # CHECK-LABEL: test1:
   7 # CHECK:  lui   $1, 1
   8 # CHECK:  addu  $1, $1, $2
   9 # CHECK:  lw    $2, 0($1)
  10 # CHECK-LABEL: test2:
  11 # CHECK:  .set noat
  12 test1:
  13         lw      $2, 65536($2)
  14
  15 test2:
  16         .set noat
  17         lw      $2, 65536($2) # ERROR: mips-noat.s:[[@LINE]]:9: error: pseudo-instruction requires $at, which is not available
  18
  19
  20 # Can we switch it back on successfully?
  21 # CHECK-LABEL: test3:
  22 # CHECK:  lui   $1, 1
  23 # CHECK:  addu  $1, $1, $2
  24 # CHECK:  lw    $2, 0($1)
  25 # CHECK-LABEL: test4:
  26 # CHECK:  .set  at=$0
  27 test3:
  28         .set at
  29         lw      $2, 65536($2)
  30
  31 test4:
  32         .set at=$0
  33         lw      $2, 65536($2) # ERROR: mips-noat.s:[[@LINE]]:9: error: pseudo-instruction requires $at, which is not available